CN210343684U - Integrated oil pump and refueling truck thereof - Google Patents

Abstract

The embodiment of the utility model discloses an integrated oil pump and a refueling truck thereof, which belong to the technical field of fluid machinery and comprise a motor, a microcontroller, a pump seat pump body, an end cover, a pump shaft and a shaft coupling, wherein a motor shaft is in transmission connection with the pump shaft through the shaft coupling, the pump body is fixed at one end of the pump seat through a screw, the motor is fixedly connected at the other end of the pump seat, the end cover is fixed at the front end of the pump body through the screw, and the microcontroller is electrically connected with the motor; when the pump is used, the microcontroller realizes stepless regulation and control of the rotating speed of the motor by changing the duty ratio of current, and the motor drives the pump shaft to rotate through the coupling, so that power is provided for the pump body, and mechanical energy is finally converted into energy of fluid; the utility model discloses compact structure is resistant to jolt vibrations, and the noise is low, and vibrations are little, are fit for installing on small-size tank service truck, have convenient and fast, advantage that can intelligent operation.

Description

Integrated oil pump and refueling truck thereof

Technical Field

The embodiment of the utility model provides a relate to fluid machinery technical field, concretely relates to integrative oil pump and tank service truck thereof.

Background

The split type oil pump is adopted to traditional tank service truck more, and current split type oil pump structure is comparatively complicated, maintains inconveniently, and structural stability is relatively poor to because the volume of the pump body is huge, and the power of motor can't make corresponding regulation according to the power of the pump body, often lead to the power of motor and the unable matching of the pump body, finally make the motor burn out because of long-time overload operation, reduced the holistic life of oil pump.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides an integrative oil pump and tank service truck thereof to solve among the prior art because split type oil pump equipment is bulky, motor power can't match with it, and the problem that oil pump life that leads to reduces.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model discloses an integrated oil pump, including motor, microcontroller, pump seat, the pump body, end cover, pump shaft and shaft coupling, the axle of motor passes through the shaft coupling and is connected with the pump shaft transmission, and the pump body is fixed in pump seat one end, the motor sets up at the pump seat other end, the end cover sets up the front end at the pump body, microcontroller and motor electricity are connected;

the pump body includes inner rotor, sliding vane, eccentric stator, oil-out and oil inlet, the inner rotor is the cylinder, the inner rotor cover is established on the pump shaft, sliding vane inlays along inner rotor radial sliding in the inner rotor recess, eccentric stator sets up in the sliding vane outside.

Further, microcontroller includes singlechip chip and driver chip, singlechip chip and driver chip set up on microcontroller, the singlechip chip passes through driver chip and is connected with the motor, microcontroller sets up in motor one end.

Further, motor and microcontroller all set up inside the protective housing.

Further, the base is fixedly connected to the lower end of the protective shell.

Further, the motor is a brushless DC motor.

Further, the protective housing is made of aluminum alloy.

The utility model discloses a refueller still includes integrative oil pump, and integrative oil pump setting is on the refueller.

The embodiment of the utility model provides a have following advantage:

compare traditional filling device, the utility model discloses a screw is fixed the pump body on the pump seat, has improved the holistic structural strength of integrative oil pump, adopts microcontroller control motor simultaneously, realizes the electrodeless speed governing of motor through the duty cycle that changes the electric current, has avoided because the motor drives the pump body and transships the problem that leads to integrative oil pump life to shorten, the utility model discloses compact structure is resistant to jolt vibrations, through adopting the direct current brushless motor drive pump body, has effectively reduced the noise, alleviates vibrations, is fit for installing on small-size tank service truck, has convenient and fast, the advantage of easy operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a front sectional view of an integrated oil pump provided in an embodiment of the present invention;

fig. 2 is a right sectional view of an integrated oil pump provided in an embodiment of the present invention;

fig. 3 is an external structure view of an integrated oil pump according to an embodiment of the present invention;

fig. 4 is a schematic diagram of an integrated oil pump microcontroller according to an embodiment of the present invention;

in the figure: 1, a motor; 2, a microcontroller; 21 a single chip microcomputer chip; 22 a driver chip; 3, a pump seat; 4, a pump body; 42 an inner rotor; 43 sliding vanes; 44 an eccentric stator; 45 oil inlet; 46 oil outlet; 5, end cover; 6, a pump shaft; 7, a coupler; 8, a protective shell; 9, a base.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The utility model discloses an integrated oil pump, as shown in fig. 1-4, including motor 1, microcontroller 2, pump seat 3, pump body 4, end cover 5, pump shaft 6 and shaft coupling 7, the axle of motor 1 is connected with pump shaft 6 through shaft coupling 7 in the transmission, pump body 4 is fixed in one end of pump seat 3, motor 1 is arranged at the other end of pump seat 3, end cover 5 is arranged at the front end of pump body 4, microcontroller 2 is connected with motor 1 electricity; the pump body 4 comprises an inner rotor 42, a sliding vane 43, an eccentric stator 44, an oil inlet 45 and an oil outlet 46, wherein the inner rotor 42 is a cylinder, the inner rotor 42 is sleeved on the pump shaft 6, the sliding vane 43 is embedded in a groove of the inner rotor 42 in a radial sliding manner along the inner rotor 42, and the eccentric stator 44 is arranged on the outer side of the sliding vane 43; the pump shaft 6 is connected with the shaft of the motor 1 through the shaft coupling 7, the pump shaft 6 drives the inner rotor 42, the inner rotor 42 enables the sliding blades 43 to be tightly attached to the eccentric stator 44 by means of centrifugal force, so that a cavity between the two sliding blades 43 at the oil inlet 45 is enlarged, a cavity between the two sliding blades 43 at the oil outlet 46 is reduced, and finally the purpose of conveying oil under the action of atmospheric pressure is achieved.

In a specific embodiment of the present invention, the microcontroller 2 includes a single chip 21 and a driving chip 22, the microcontroller 2 is disposed at one end of the motor 1, the single chip 21 and the driving chip 22 are disposed on the microcontroller 2, and the single chip 21 is electrically connected to the motor through the driving chip 22; the microcontroller 2 realizes a PWM (pulse width modulation) function through the singlechip chip, so that the duty ratio (the proportion of high level time in the whole period) of the motor is changed, and finally the stepless speed regulation of the motor is realized, and because the current carried by the singlechip chip 21 is limited and is not enough to drive the motor, the driving chip 22 needs to be connected to play a role in amplifying the current, and the operation of the motor 1 is realized.

In a specific embodiment of the present invention, the present invention further comprises a protective casing 8, and the motor 1 and the microcontroller 2 are both disposed inside the protective casing 8; the motor 1, the microcontroller 2 and the protective shell 8 are integrally packaged, and the protection grade is IP 67. (dust can not enter the gap of the object shell; under normal temperature and pressure, when the shell is temporarily soaked in 1M deep water, the harmful effect can not be caused)

In a specific embodiment of the present invention, the device further comprises a base 9, wherein the base 9 is fixedly connected to the lower end of the protective shell 8; set up the base and can prevent that integrative oil pump from receiving the influence on moist ground, simultaneously, integrative oil pump also can be through the fixed tank service truck that sets up of base on.

In one embodiment of the present invention, the motor 1 is a dc brushless motor; the direct current brushless motor has the advantages of excellent torque characteristic, large starting torque, small starting current, high reliability, good stability and no spark, and is particularly suitable for explosive places.

Example 2

The utility model discloses a refueller still includes integrative oil pump, integrative oil pump sets up on the refueller.

The utility model discloses use as follows:

the utility model discloses a microcontroller 2 control motor realizes the stepless speed regulation of motor 1, and pump shaft 6 couples with motor 1 through shaft coupling 7, and pump shaft 6 drives inner rotor 42, and inner rotor 42 relies on centrifugal force to make sliding vane 43 hug closely eccentric stator 44, thereby makes cavity increase between two sliding vane 43 in oil inlet 45 department, and cavity reduction between two sliding vane 43 in oil outlet 46 department, finally realizes the purpose of carrying the oil under the atmospheric pressure effect; the utility model discloses compact structure, it is small, light in weight is fit for installing on small-size tank service truck, has convenient and fast, and the noise is little, does benefit to the advantage of tank service truck operation.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (7)

1. The integrated oil pump is characterized by comprising a motor (1), a microcontroller (2), a pump seat (3), a pump body (4), an end cover (5), a pump shaft (6) and a coupler (7), wherein a shaft of the motor (1) is in transmission connection with the pump shaft (6) through the coupler (7), the pump body (4) is fixed at one end of the pump seat (3), the motor (1) is arranged at the other end of the pump seat (3), the end cover (5) is arranged at the front end of the pump body (4), and the microcontroller (2) is electrically connected with the motor (1);

the pump body (4) includes inner rotor (42), sliding vane (43), eccentric stator (44), oil inlet (45) and oil-out (46), inner rotor (42) is the cylinder, inner rotor (42) cover is established on pump shaft (6), sliding vane (43) are inlayed along inner rotor (42) radial slip in inner rotor (42) recess, eccentric stator (44) set up in sliding vane (43) outside, oil inlet (45) and oil-out (46) symmetry set up in pump shaft (6) both sides.

2. The integrated oil pump of claim 1, wherein the microcontroller (2) comprises a single chip microcomputer chip (21) and a driving chip (22), the single chip microcomputer chip (21) and the driving chip (22) are arranged on the microcontroller (2), the single chip microcomputer chip (21) is connected with the motor through the driving chip (22), and the microcontroller (2) is arranged at one end of the motor (1).

3. The integrated oil pump according to claim 2, further comprising a protective casing (8), the motor (1) and the microcontroller (2) being both arranged inside the protective casing (8).

4. The integrated oil pump of claim 3, further comprising a base (9), wherein the base (9) is fixedly connected to the lower end of the protective housing (8).

5. The integrated oil pump according to claim 4, characterized in that the motor (1) is a brushless DC motor.

6. The integrated oil pump of claim 5, wherein the protective casing (8) is made of aluminum alloy.

7. A fuelling vehicle, further comprising an integral oil pump according to claim 6, disposed thereon.

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